VulnerabilityModified
CVE-2021-33833
ConnMan (aka Connection Manager) 1.30 through 1.39 has a stack-based buffer overflow in uncompress in dnsproxy.c via NAME, RDATA, or RDLENGTH (for A or AAAA).
CRITICAL 9.8EPSS 2.57%
Does this matter?
High impact if exploited, but EPSS currently rates exploitation as unlikely (2.57%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.
Description
ConnMan (aka Connection Manager) 1.30 through 1.39 has a stack-based buffer overflow in uncompress in dnsproxy.c via NAME, RDATA, or RDLENGTH (for A or AAAA).
- CVSS 3.1
- 9.8 CRITICALCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
- EPSS
- 2.57% probability · 84th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-787
- Affected
- intel/connection manager · debian/debian linux
- Source
- cve@mitre.org
References
- http://www.openwall.com/lists/oss-security/2021/06/09/1Mailing List, Third Party Advisory
- http://www.openwall.com/lists/oss-security/2022/01/25/1Exploit, Mailing List, Third Party Advisory
- https://lists.debian.org/debian-lts-announce/2022/02/msg00009.htmlMailing List, Third Party Advisory
- https://lore.kernel.org/connman/Vendor Advisory
- https://security.gentoo.org/glsa/202107-29Third Party Advisory
- http://www.openwall.com/lists/oss-security/2021/06/09/1Mailing List, Third Party Advisory
- http://www.openwall.com/lists/oss-security/2022/01/25/1Exploit, Mailing List, Third Party Advisory
- https://lists.debian.org/debian-lts-announce/2022/02/msg00009.htmlMailing List, Third Party Advisory
- https://lore.kernel.org/connman/Vendor Advisory
- https://security.gentoo.org/glsa/202107-29Third Party Advisory
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.